83990335 has 48 divisors (see below), whose sum is σ = 121998240. Its totient is φ = 55123200.

The previous prime is 83990327. The next prime is 83990339. The reversal of 83990335 is 53309938.

It is not a de Polignac number, because 83990335 - 2³ = 83990327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83990339) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 463945 + ... + 464125.

It is an arithmetic number, because the mean of its divisors is an integer number (2541630).

Almost surely, 2^83990335 is an apocalyptic number.

83990335 is a deficient number, since it is larger than the sum of its proper divisors (38007905).

83990335 is a wasteful number, since it uses less digits than its factorization.

83990335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 83990335 is about 9164.6241057667. The cubic root of 83990335 is about 437.9351164983.

It can be divided in two parts, 839903 and 35, that added together give a palindrome (839938).

The spelling of 83990335 in words is "eighty-three million, nine hundred ninety thousand, three hundred thirty-five".